Nothing to Sell and Nothing to Buy 不买也不卖

　　It has been said that everyone lives by selling something. In the light of this statement, teachers live by selling knowledge,philosophers by selling wisdom and priests by selling spiritual comfort. Though it may be possible to measure the value of material goods in terms of money, it is extremely difficult to estimate the true value of the services which people perform for us.

　　1.It has been said that everyone lives by selling something.

　　据说每个人都靠出售某种东西来维持生活。

　　语言点:句子结构分析:it是形式主语，that引导的从句才是真正的主语。

　　2.In the light of this statement, teachers live by selling knowledge,philosophers by selling wisdom and priests by selling spiritual comfort.

　　根据这种说法，教师靠卖知识为生，哲学家靠卖智慧为生，牧师靠卖精神安慰为生。

　　语言点:句子结构分析:philosophers和priests后面都承前省略了live,为了避免重复。

　　3.Though it may be possible to measure the value of material goods in terms of money, it is extremely difficult to estimate the true value of the services which people perform for us.

　　虽然物质产品的价值可以用金钱来衡量，但要估算别人为我们为所提供的服务的价值却是极其困难的。

　　语言点:句子结构分析:though引导让步状语从句，交代“先决条件是…”。主句中的which引导定语从句，修饰services。